how many pounds of gravel that cost $2.50 per pound must be mixed with 6 pounds of cement that cost $1.50 per pound to make a mixture that cost $2.50 per pound? - QAmmunity.org

how many pounds of gravel that cost $2.50 per pound must be mixed with 6 pounds of cement that cost $1.50 per pound to make a mixture that cost $2.50 per pound?

asked Sep 1, 2021 176k views

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